In the Lancang River basin of China's Yunnan Province, there lives an ethnic minority, the Lahu, who are hard-working, brave, simple and kind, and due to the discrimination of the oppressive ruling class in the past generations, it also makes them form a strong character to resist the oppression. Before the liberation, the reactionaries of the Kuomintang treated the Lahu people with rape, burning, brutal looting and doing everything. Whenever the grains were ripe, they were always looted by the Kuomintang bandits. Although the Lahu people lived in such a dark world, their will to resist and resilience were not reduced at all. on August 15, 1947, the Lahu people celebrated the festival according to the traditional custom, wearing beautiful clothes, singing and dancing. The young hunter Zatu expressed his love to the girl Nawa whom he adored on this night. They reveled in their sweet first love...